Anomalous sulphur isotopes in plume lavas reveal deep mantle storage of Archaean crust

Rita A. Cabral (), Matthew G. Jackson, Estelle F. Rose-Koga, Kenneth T. Koga, Martin J. Whitehouse, Michael A. Antonelli, James Farquhar, James M. D. Day and Erik H. Hauri
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Rita A. Cabral: Boston University, 675 Commonwealth Avenue, Boston, Massachusetts 02215, USA
Matthew G. Jackson: Boston University, 675 Commonwealth Avenue, Boston, Massachusetts 02215, USA
Estelle F. Rose-Koga: Laboratoire Magmas et Volcans, Université Blaise Pascal, CNRS UMR6524, IRD R163, 5 rue Kessler, 63038 Clermont-Ferrand, France
Kenneth T. Koga: Laboratoire Magmas et Volcans, Université Blaise Pascal, CNRS UMR6524, IRD R163, 5 rue Kessler, 63038 Clermont-Ferrand, France
Martin J. Whitehouse: Swedish Museum of Natural History, Box 50007, SE-104 05 Stockholm, Sweden
Michael A. Antonelli: University of Maryland, College Park
James Farquhar: University of Maryland, College Park
James M. D. Day: Scripps Institution of Oceanography
Erik H. Hauri: Carnegie Institution of Washington

Nature, 2013, vol. 496, issue 7446, 490-493

Abstract: Mass-independent fractionation of sulphur isotopes in basalts from the oceanic island of Mangaia (Cook Islands) indicates ancient subducted Archaean (>2.45 Gyr) oceanic crust and lithosphere survives in the mantle to be sampled beneath hotspot volcanoes.

Date: 2013
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DOI: 10.1038/nature12020

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